Seiko Cal. 3864 - 650

This Automatic model from 1978 features a 34mm Hardlex-Coated Steel case. Powered by the 3864 caliber with 35j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-6b6945646d90]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1978

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